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Stock-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2017
Share-based Compensation [Abstract] |
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] | A summary of stock-based compensation costs follows (in millions):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2017 |  | 2016 |  | 2017 |  | 2016
Total stock-based compensation costs: |  |  |  |  |  |  |
Restricted stock units | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 0.1 |
Stock options | 0.1 |  |  | 0.1 |  |  | 0.2 |  |  | 0.2 |
Expense included in selling, general and administrative expense | $ | 0.1 |  |  | $ | 0.1 |  |  | $ | 0.2 |  |  | $ | 0.3 |
Total recognized tax benefit | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- References No definition available. + Details
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